// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CONTENT_BROWSER_COMPOSITOR_SOFTWARE_BROWSER_COMPOSITOR_OUTPUT_SURFACE_H_
#define CONTENT_BROWSER_COMPOSITOR_SOFTWARE_BROWSER_COMPOSITOR_OUTPUT_SURFACE_H_

#include "base/macros.h"
#include "base/memory/weak_ptr.h"
#include "build/build_config.h"
#include "content/browser/compositor/browser_compositor_output_surface.h"
#include "content/common/content_export.h"

namespace cc {
class SoftwareOutputDevice;
}

namespace content {

class CONTENT_EXPORT SoftwareBrowserCompositorOutputSurface
    : public BrowserCompositorOutputSurface {
public:
    SoftwareBrowserCompositorOutputSurface(
        std::unique_ptr<cc::SoftwareOutputDevice> software_device,
        const UpdateVSyncParametersCallback& update_vsync_parameters_callback,
        scoped_refptr<base::SingleThreadTaskRunner> task_runner);

    ~SoftwareBrowserCompositorOutputSurface() override;

    // OutputSurface implementation.
    void BindToClient(cc::OutputSurfaceClient* client) override;
    void EnsureBackbuffer() override;
    void DiscardBackbuffer() override;
    void BindFramebuffer() override;
    void Reshape(const gfx::Size& size,
        float device_scale_factor,
        const gfx::ColorSpace& color_space,
        bool has_alpha,
        bool use_stencil) override;
    void SwapBuffers(cc::OutputSurfaceFrame frame) override;
    bool IsDisplayedAsOverlayPlane() const override;
    unsigned GetOverlayTextureId() const override;
    bool SurfaceIsSuspendForRecycle() const override;
    uint32_t GetFramebufferCopyTextureFormat() override;

private:
    // BrowserCompositorOutputSurface implementation.
#if defined(OS_MACOSX)
    void SetSurfaceSuspendedForRecycle(bool suspended) override;
#endif

    void SwapBuffersCallback();

    cc::OutputSurfaceClient* client_ = nullptr;
    scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
    base::WeakPtrFactory<SoftwareBrowserCompositorOutputSurface> weak_factory_;

    DISALLOW_COPY_AND_ASSIGN(SoftwareBrowserCompositorOutputSurface);
};

} // namespace content

#endif // CONTENT_BROWSER_COMPOSITOR_SOFTWARE_BROWSER_COMPOSITOR_OUTPUT_SURFACE_H_
